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Finding the Fourth Proportional to 661,878.04, 992,653.03 and 188,567.50

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Solution

The fourth proportional to 661,878.04, 992,653.03 and 188,567.50 is: 282,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,878.04 : 992,653.03 = 188,567.50 : x
  2. Step 2: Convert to fraction form
    661,878.04/992,653.03 = 188,567.50/x
  3. Step 3: Cross multiply
    661,878.04x = 992,653.03 × 188,567.50
  4. Step 4: Simplify right side
    661,878.04x = 187,182,100,234.53
  5. Step 5: Solve for x
    x = 187,182,100,234.53/661,878.04
  6. Step 6: Final answer
    x = 282,804.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.